diff --git a/.github/actions/acc_test/action.yaml b/.github/actions/acc_test/action.yaml
index 6c98b19a..b59bd9ad 100644
--- a/.github/actions/acc_test/action.yaml
+++ b/.github/actions/acc_test/action.yaml
@@ -107,7 +107,7 @@ runs:
       run: |
         set -e
           if [[ ! -f "${{ inputs.service_account_json_file_path }}" ]]; then
-            echo "unable to find service account file"
+            echo "unable to find service account file '${{ inputs.service_account_json_file_path }}'"
             exit 1
           fi
         cat "${{ inputs.service_account_json_file_path }}"
diff --git a/.github/workflows/tf-acc-test.yaml b/.github/workflows/tf-acc-test.yaml
index 1c97cb0d..57f0528b 100644
--- a/.github/workflows/tf-acc-test.yaml
+++ b/.github/workflows/tf-acc-test.yaml
@@ -33,4 +33,4 @@ jobs:
           tf_acc_kek_key_ring_id: ${{ vars.TEST_KEK_KEY_RING_ID }}
           tf_acc_kek_key_version: ${{ vars.TEST_KEK_KEY_VERSION }}
           tf_acc_kek_service_account: ${{ vars.TEST_KEK_SERVICE_ACCOUNT }}
-          service_account_json_file_path: ~/service_account.json
+          service_account_json_file_path: "~/service_account.json"